<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .a {
            font-weight: 300;
            font-size: 30px;
        }
    </style>
</head>

<body>
    <h1>这是注册页面</h1>
    <form action="">
        <div>
            用户名: <input type="text">
        </div>
        <div>
            请输入密码: <input type="password">
        </div>
        <div>
            请输入邮箱: <input type="email" name="" id="">
        </div>
        <button>注册新用户</button>
    </form>
</body>

</html>